30256648300 has 72 divisors (see below), whose sum is σ = 68054238000. Its totient is φ = 11662398720.

The previous prime is 30256648291. The next prime is 30256648307. The reversal of 30256648300 is 384665203.

It is a self number, because there is not a number n which added to its sum of digits gives 30256648300.

It is not an unprimeable number, because it can be changed into a prime (30256648307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506726 + ... + 1526674.

It is an arithmetic number, because the mean of its divisors is an integer number (945197750).

Almost surely, 2^30256648300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30256648300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34027119000).

30256648300 is an abundant number, since it is smaller than the sum of its proper divisors (37797589700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30256648300 is a wasteful number, since it uses less digits than its factorization.

30256648300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20515 (or 20508 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 30256648300 in words is "thirty billion, two hundred fifty-six million, six hundred forty-eight thousand, three hundred".